Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 1 2 4 8 1 2 4 8 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft torque of a dc motor is less than the electromagnetic torque because of hysteresis losses. ohmic losses. mechanical losses. eddy current losses. hysteresis losses. ohmic losses. mechanical losses. eddy current losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? None of above. Closed slots. Semi closed slots. Open slots. None of above. Closed slots. Semi closed slots. Open slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following losses are negligible in blocked rotor test? copper loss mechanical loss iron loss both A and B copper loss mechanical loss iron loss both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard system for controlling the speed of a DC motor is used where The accuracy in speed control is required. Very fine speed control over the whole range from zero to normal speed is required. All of above. The speed in both the direction is required. The accuracy in speed control is required. Very fine speed control over the whole range from zero to normal speed is required. All of above. The speed in both the direction is required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 500. 1000. 2000. 0. 500. 1000. 2000. 0. ANSWER DOWNLOAD EXAMIANS APP
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